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Autonomous System

AS25921

Last fetched

AS25921 is an Autonomous System. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · AS25921Routing diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/25921

Routing footprint

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Peering ecosystem

Peering data is temporarily unavailable. Refresh in a moment to retry.

Blast radius

Count of dependent hostnames if AS25921 disappeared from the routing table.

1,647 hostnames depend on this network.Exact count across all 38 announced prefixes. Snapshot Thu, 16 Jul 2026 01:00:49 GMT.

MOAS / hijack watch

Prefixes routed by AS25921 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

MOAS conflict data is temporarily unavailable. Refresh in a moment to retry.

Threat posture

Related pages

Pivot deeper into the graph from AS25921.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS25921"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.